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The Terminator
Engine/Tuning
Oil pump won't prime
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<blockquote data-quote="Quick Strike" data-source="post: 9985386" data-attributes="member: 11920"><p>I had the same issue here using the same pump, but I have the canton pan. I wanted to see oil pressure and make sure the cam tensioners/valve train were working propperly before installing the motor, but I also had no pressure after cranking for 30 seconds. So, I used a garden sprayer (as above) to pump oil into the head from the oil pressure sender port. I had oil in the heads, but still no pressure at the gage. Then I attached a hose over the threads for the filter and used the sprayer to pump oil back to/through the pump. I filled the filter and reattached it. Now I had 20# of pressure just cranking and lots of oil on the floor since the valve covers were off. I was happy to clean it up! </p><p></p><p>I think the engine cranks too slow to prime without any oil already in the system. Many guys start with the oil pump dry with no priming issues. The engine is spinning much faster when started and this creates a larger vacuum. Anyway, I have over 500 miles on it now, and never had another oil pressure issue once primed. The sprayer was $15 at my local hardware store and the fittings (once figured out) were just a few bucks.</p></blockquote><p></p>
[QUOTE="Quick Strike, post: 9985386, member: 11920"] I had the same issue here using the same pump, but I have the canton pan. I wanted to see oil pressure and make sure the cam tensioners/valve train were working propperly before installing the motor, but I also had no pressure after cranking for 30 seconds. So, I used a garden sprayer (as above) to pump oil into the head from the oil pressure sender port. I had oil in the heads, but still no pressure at the gage. Then I attached a hose over the threads for the filter and used the sprayer to pump oil back to/through the pump. I filled the filter and reattached it. Now I had 20# of pressure just cranking and lots of oil on the floor since the valve covers were off. I was happy to clean it up! I think the engine cranks too slow to prime without any oil already in the system. Many guys start with the oil pump dry with no priming issues. The engine is spinning much faster when started and this creates a larger vacuum. Anyway, I have over 500 miles on it now, and never had another oil pressure issue once primed. The sprayer was $15 at my local hardware store and the fittings (once figured out) were just a few bucks. [/QUOTE]
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Oil pump won't prime
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